18984990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1753}}^1$

素因数の和:1801

約数の個数: 48

約数和(自身を含む): 48115728

約数和(自身を除く): 29130738

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 361, 570, 722, 1083, 1753, 1805, 2166, 3506, 3610, 5259, 5415, 8765, 10518, 10830, 17530, 26295, 33307, 52590, 66614, 99921, 166535, 199842, 333070, 499605, 632833, 999210, 1265666, 1898499, 3164165, 3796998, 6328330, 9492495, 18984990]

約数ペア:

[(1, 18984990), (2, 9492495), (3, 6328330), (5, 3796998), (6, 3164165), (10, 1898499), (15, 1265666), (19, 999210), (30, 632833), (38, 499605), (57, 333070), (95, 199842), (114, 166535), (190, 99921), (285, 66614), (361, 52590), (570, 33307), (722, 26295), (1083, 17530), (1753, 10830), (1805, 10518), (2166, 8765), (3506, 5415), (3610, 5259)]